What color is #624EF9?

#624EF9 is a light, vivid indigo. In RGB it is rgb(98, 78, 249), and in HSL hsl(247, 93%, 64%).

Is #624EF9 accessible as text?

On white, #624EF9 has a contrast ratio of 5.28:1 (passes WCAG AA for body text); on black it is 3.98:1 (fails). For text placed on #624EF9, use white for the best readability.

What is the closest Tailwind color to #624EF9?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #624EF9?

#624EF9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E5F94E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #624EF9 below.

Is #624EF9 good for buttons?

#624EF9 works well for buttons and highlights, but use white text on #624EF9 — black text only reaches 3.98:1, below the 4.5:1 needed for normal-size labels.

Is #624EF9 the same as CSS mediumslateblue?

No — #624EF9 is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color.

#624EF9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #624EF9

Not just a swatch — here's how #624EF9 works with other colors. Named schemes with #624EF9 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #624EF9 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #827DFF

Iris is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Iris.

Berry & Cream Lead · 5 colors

Lead #624EF9 Surface #F5E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Iris sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #624EF9 Secondary #9297D0 Support #9D9088 Ink #18140F

Iris is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Iris carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #624EF9 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Iris opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Sunset Warmth Glow · 5 colors

Glow #624EF9 Secondary #E86A71 Accent #F6934D Anchor #583B57 Surface #F7E7D7

Iris glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #624EF9 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 18/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 49/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 12/100

Very low

Clean and current — no dusty, aged cast.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 93/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 65/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 13/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 64/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #624EF9

For UI

For branding

For interior

For fashion

People also use #624EF9 with

Maya Blue Medium Orchid Pear Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 5.3:1. Use

Subtle surface Use #E3E0F9 for cards and hover fills. Tint 80

Avoid beside #9B4EF9 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #624EF9 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #624EF9;
  --color-base-rgb: 98 78 249;
  --color-base-oklch: oklch(55.3% 0.242 280.3);
  --color-50: #F2F0FE;
  --color-100: #DCD8FD;
  --color-200: #B9B1FC;
  --color-300: #8A7CF4;
  --color-400: #5E4CE6;
  --color-500: #3C29CC;
  --color-600: #35279B;
  --color-700: #2B226D;
  --color-800: #1F1A47;
  --color-900: #15122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F2F0FE',
    100: '#DCD8FD',
    200: '#B9B1FC',
    300: '#8A7CF4',
    400: '#5E4CE6',
    500: '#3C29CC',
    600: '#35279B',
    700: '#2B226D',
    800: '#1F1A47',
    900: '#15122B',
  },
}

$base: #624EF9;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DCD8FD;
$base-200: #B9B1FC;
$base-300: #8A7CF4;
$base-400: #5E4CE6;
$base-500: #3C29CC;
$base-600: #35279B;
$base-700: #2B226D;
$base-800: #1F1A47;
$base-900: #15122B;
$base-hover: #2A0FF6;
$base-subtle: #D5D0F7;

{
    "color": {
        "base": {
            "value": "#624EF9",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DCD8FD",
                "type": "color"
            },
            "200": {
                "value": "#B9B1FC",
                "type": "color"
            },
            "300": {
                "value": "#8A7CF4",
                "type": "color"
            },
            "400": {
                "value": "#5E4CE6",
                "type": "color"
            },
            "500": {
                "value": "#3C29CC",
                "type": "color"
            },
            "600": {
                "value": "#35279B",
                "type": "color"
            },
            "700": {
                "value": "#2B226D",
                "type": "color"
            },
            "800": {
                "value": "#1F1A47",
                "type": "color"
            },
            "900": {
                "value": "#15122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #624EF9

Color Lab

Pairs with #624EF9

UI roles & guardrails

In real applications

Scales

Every model

Export